331002040443020 has 96 divisors (see below), whose sum is σ = 735840404038656. Its totient is φ = 124809894316800.

The previous prime is 331002040443007. The next prime is 331002040443077. The reversal of 331002040443020 is 20344040200133.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78518150 + ... + 82626290.

It is an arithmetic number, because the mean of its divisors is an integer number (7665004208736).

Almost surely, 2^{331002040443020} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331002040443020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367920202019328).

331002040443020 is an abundant number, since it is smaller than the sum of its proper divisors (404838363595636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331002040443020 is a wasteful number, since it uses less digits than its factorization.

331002040443020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110711 (or 4110709 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 331002040443020 its reverse (20344040200133), we get a palindrome (351346080643153).

The spelling of 331002040443020 in words is "three hundred thirty-one trillion, two billion, forty million, four hundred forty-three thousand, twenty".